Wikipedia:Missing science topics/List

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The below is a list of missing computer and telecommunication terms.


List of computer programming terms:


Words found in object-oriented programming. Some are related to OOP and some not.


List of computer hardware related terms:


List of computer graphics related terms:


List of coding-related terms:


List of telecommunications encryption terms:

bulk encryption -- cipher -- cipher system -- cipher text -- ciphony -- civision -- codress message -- compromise -- COMSEC equipment -- cover -- cryptanalysis -- CRYPTO -- Data Encryption Standard (DES) -- decipher -- decode -- decrypt -- descrambler -- encipher -- encode -- encoding law -- encrypt -- end-to-end encryption -- garble -- group -- key -- key distribution center (KDC) -- key management -- key stream -- link encryption -- multiplex link encryption -- net control station (NCS) -- null -- OTAR -- plaintext -- protected distribution system (PDS) -- protection interval (PI) -- pseudorandom number generator -- public key cryptography -- RED/BLACK concept -- RED signal -- rekeying -- remote rekeying -- security management -- spoofing -- superencryption -- synchronous crypto-operation -- transmission security key (TSK) -- trunk encryption device (TED) -- type 1 encryption -- type 2 encryption -- type 3 encryption -- type 4 encryption -- unique key -- variant -- vocoder


List of telecommunication network terms:

--LANs, MANs and WANs--

baseband local area network -- bridge -- brouter -- carrier sense -- Channel service unit -- domain name server -- Ethernet -- fiber distributed data interface (FDDI) -- head end -- Extensible Messaging and Presence Protocol -- LAN application (software) -- lobe attaching unit -- local area network (LAN) -- logical link control sublayer (LLC) -- metropolitan area network (MAN) -- network control program (NCP) -- network interface device (NID) -- network topology -- physical signaling sublayer (PLS) -- ring latency -- ring network -- server -- S interface -- slotted-ring network -- switched multimegabit data services (SMDS) -- tail circuit -- token -- token-bus network -- token passing -- token ring adapter -- truncated binary exponential backoff -- wide area network (WAN)

--Layered systems and open architecture--

abstract syntax -- encapsulation -- expedited data unit -- GOSIP -- high-level control -- intermediate system -- LAP-B -- layer -- layered system -- logical link control sublayer (LLC) -- medium access control sublayer (MAC) -- n-entity -- network termination 1 (NT1) -- network termination 2 (NT2) -- n-user -- open system -- open systems architecture -- Open Systems Interconnection (OSI) -- Open Systems Interconnection (OSI)--architecture -- Open Systems Interconnection Specification (OSI)--Protocol -- Open Systems Interconnection--Reference Model (OSI--RM) -- Open Systems Interconnection Definitions (OSI)--Service -- Open Systems Interconnection Management (OSI)--Systems -- peer entity -- peer group -- physical signaling sublayer (PLS) -- protocol (computing) -- protocol-control information -- protocol data unit (PDU) -- protocol hierarchy -- service -- service access point (SAP) -- service data unit (SDU) -- SONET -- standardized profile -- Transmission Control Protocol (TCP) -- TCP/IP -- TCP/IP Suite -- terminal endpoint functional group (TE) -- virtual terminal (VT) -- wrapping

--Networking--

access group -- address field -- asynchronous network -- backbone -- branching network -- client -- closed user group -- commercial refile -- control station -- delayed-delivery facility -- democratically synchronized network -- despotically synchronized network -- differentiating network -- directed net -- distributed control -- distributed network -- distributed-queue dual-bus (DQDB) -- endpoint node -- equivalent network -- free net -- gateway -- global address -- GOSIP -- group address -- hierarchical computer network -- hierarchically synchronized network -- hotline -- hybrid communications network -- hypermedia -- intelligent network (IN) -- intelligent peripheral (IP) -- interconnection -- intermediate element -- internetworking -- interworking functions -- leg -- link -- logical topology -- loop transmission -- maritime broadcast communications net -- master station -- mediation function -- multicast -- multichannel -- multilevel precedence and preemption (MLPP) -- multilink operation -- multiple media -- multipoint access -- net operation -- network -- network control program (NCP) -- network engineering -- network interface -- network interface card -- network topology -- noncentralized operation -- nonsynchronous network -- open network architecture (ONA) -- overhead information -- packet switching -- path -- PCS -- physical topology -- point-to-point link -- polling -- portability -- POSIX -- precedence -- primary channel -- primary station -- public data network (PDN) -- public switched network (PSN) -- radio net -- relay -- remote access -- remote logon -- route -- routine message -- seizing -- server -- service termination point -- signal center -- signal transfer point (STP) -- sliding window -- slot (communications) -- slotted-ring network -- slot time -- sublayer -- subnetwork -- switched circuit -- symmetrical channel -- synchronous data link control (SDLC) -- synchronous network -- synchronous transmission -- system failure transfer -- system follow-up -- system signaling and supervision -- tandem -- teleconference -- Terminal Access Controller (TAC) -- terminal adapter -- terminal endpoint functional group (TE) -- through group -- through supergroup -- T-interface -- token-bus network -- token passing -- token-ring network -- trace packet -- unidirectional operation -- U interface -- Universal Personal Telecommunications (UPT) -- virtual network -- virus -- wrapping

--Network management--

accounting management -- administrative management complex (AMC) -- attribute -- customer management complex -- fault management -- managed object -- network administration -- network management -- network manager -- operations system -- performance management -- security management -- system management -- telecommunications management network (TMN) -- teletraffic engineering

--Networks--

ARPANet -- Automatic Digital Network (AUTODIN) -- Automatic Secure Voice Communications Network (AUTOSEVOCOM) -- Automatic Voice Network (AUTOVON) -- command net -- common user network -- communications net -- communications network -- computer network -- Defense Communications System (DCS) -- Defense Data Network (DDN) -- Defense Switched Network (DSN) -- Emergency Broadcast System (EBS) -- integrated digital network (IDN) -- The Internet -- joint multichannel trunking and switching system -- Joint Tactical Information Distribution System (JTIDS) -- National Communications System (NCS) -- National Information Infrastructure (NII) -- value-added network (VAN)

--Network topology and architecture--

client-server architecture -- network architecture -- network connectivity -- network topology -- node -- physical topology -- ring network


List of telecommunications transmission terms:

--Noise--

ambient noise level -- antenna noise temperature -- atmospheric noise -- background noise -- blue noise -- carrier noise level -- carrier-to-noise ratio (CNR) -- carrier-to-receiver noise density (C/kT) -- channel noise level -- circuit noise level -- closed-loop noise bandwidth -- C-message weighting -- cosmic noise -- effective input noise temperature -- equipment intermodulation noise -- equivalent noise resistance -- equivalent noise temperature -- equivalent pulse code modulation noise (PCM) -- equivalent satellite link noise temperature -- feeder echo noise -- flat weighting -- FM improvement factor -- FM improvement threshold -- front-end noise temperature -- HA1-receiver weighting -- idle-channel noise -- impulse noise -- in-band noise power ratio -- intermodulation noise -- intrinsic noise -- loop noise -- modal noise -- mode partition noise -- noise -- notched noise -- 144-line weighting -- 144-receiver weighting -- phase noise -- photon noise -- process gain -- proration -- pseudorandom noise -- psophometric weighting -- quantizing noise -- quantum noise -- quantum-noise-limited operation -- random noise -- received noise power -- reference noise -- shot noise -- signal-plus-noise-to-noise ratio ) ((S+N)/N) -- signal-to-noise ratio (SNR) -- signal-to-noise ratio per bit -- SINAD -- snow -- stereophonic crosstalk -- thermal noise -- total channel noise -- white noise -- worst hour of the year

--Transmission and propagation--

absolute delay -- analog transmission -- anisochronous -- anomalous propagation (AP) -- asynchronous transmission -- atmospheric duct -- babble -- backscattering -- batched transmission -- bit-stream transmission -- burst transmission -- channel -- coupled modes -- critical frequency -- critical wavelength -- cross-polarized operation -- Dellinger effect -- digital transmission group -- digital transmission system -- digital voice transmission -- diurnal phase shift -- double-sideband transmission (DSB) -- double-sideband reduced carrier transmission (DSB-RC) -- double-sideband suppressed-carrier transmission (DSB-SC) -- D region -- ducting -- duplex operation -- echo -- electronic line of sight -- elevated duct region erlang -- flutter -- forward scatter -- Frequency of optimum transmission (FOT) -- F region -- Fresnel zone -- ground wave -- group velocity -- homogeneous cladding -- intermediate-field region -- ionosphere -- ionospheric absorption -- ionospheric disturbance -- ionospheric forward scatter -- ionospheric reflection -- ionospheric scatter -- ionospheric turbulence -- isochronous burst transmission -- k-factor -- knife-edge effect -- line-of-sight propagation (LOS) -- magnetic storm -- magneto-ionic double refraction -- material scattering -- maximum usable frequency (MUF) -- Mie scattering -- multipath -- near-field region -- near-vertical-incidence skywave -- parallel transmission -- path clearance -- path profile -- primary service area -- propagation -- propagation constant -- propagation mode -- propagation path obstruction -- propagation time delay -- pulse broadening -- quasi-analog transmission -- radiation scattering -- ray -- Rayleigh fading -- Rayleigh scattering -- reflecting layer -- reflection -- refracted ray -- refraction -- refractive index (n, ) -- relative transmission level -- [[right-hand [clockwise] polarized wave]] -- ring latency -- scattering -- scintillation -- serial transmission -- shadow loss -- simplex operation -- skip distance -- skip zone -- sky wave -- smooth Earth -- space diversity -- sporadic E -- sunspot -- surface wave -- synchronous transmission -- time block -- trapped electromagnetic wave -- troposphere -- tropospheric scatter -- tropospheric wave -- undisturbed day -- virtual height -- waveguide

--Transmission lines--

artificial transmission line -- balanced line -- building out -- bundle -- cable -- Category 3 -- Category 4 -- Category 5 -- coaxial cable (coax) -- composite cable -- direct-buried cable -- directional coupler -- electrical length -- fiber optic cable -- field wire -- filled cable -- group delay -- hybrid cable -- land line -- lay length -- line -- long line (telecommunications) -- loop -- medium -- nonloaded twisted pair -- on-premises wiring -- paired cable -- plenum cable -- quad -- quadded cable -- reflection -- reflection coefficient (RC) -- reflection loss -- return loss -- ribbon cable -- sheath -- sheath miles -- shielded pair -- shielded twisted pair -- skin effect -- slope -- slope equalizer -- spiral-four cable -- strength member -- symmetrical pair -- terminal impedance -- termination -- transmission line -- transverse electric and magnetic mode (TEM) -- transverse electric mode (TE) -- twin cable -- unbalanced line -- underground cable -- uniform transmission line -- voltage standing wave ratio (VSWR) -- waveguide -- zip-cord

List of filter-related terms:

bandpass filter -- bandpass limiter -- band-stop filter -- character filter -- dichroic filter -- digital filter -- filter -- Hanning filter -- high-pass filter -- interference filter -- Kalman filter -- loop filter -- low-pass filter -- mode filter -- optical filter -- roofing filter -- security filter


List of telecommunication-service-related terms:

--Services--

aeronautical fixed service -- aeronautical mobile (off-route) service (OR) -- aeronautical mobile (route) service (R) -- aeronautical mobile-satellite service -- aeronautical mobile-satellite (off-route) service (OR) -- aeronautical mobile-satellite (route) service (R) -- aeronautical mobile service -- aeronautical multicom service -- aeronautical radionavigation-satellite service -- aeronautical radionavigation service -- amateur-satellite service -- amateur service -- Archie -- Armed Forces Radio Service (AFRS) -- attendant position -- base communications (basecom) -- basic exchange telecommunications radio service (BETRS) -- basic service -- basic service element (BSE) -- basic serving arrangement (BSA) -- Centrex® service (CTX) -- class of service -- common management information service (CMIS) -- comparably efficient interconnection (CEI) -- complementary network service (CNS) -- consolidated local telecommunications service -- conversational service -- custom local area signaling service (CLASS) -- dedicated service -- domestic fixed public service -- domestic public radio services -- eight-hundred service (800) -- enhanced service -- facility -- Federal Telecommunications System (FTS) -- five-hundred service (500) -- flat rate service -- foreign exchange service (FX) -- FTS2000 -- interactive service -- intercom -- inter-satellite service -- leased circuit -- maritime mobile-satellite service -- maritime mobile service -- maritime radionavigation-satellite service -- maritime radionavigation service -- message service -- meteorological aids service -- meteorological-satellite service -- mobile-satellite service -- mobile service -- multipoint distribution service -- nine-hundred service (900) -- other common carrier (OCC) -- paging -- PCS -- port operations service -- private NS/EP telecommunications services -- provisioning -- public data transmission service -- public switched network (PSN) -- public switched NS/EP telecommunications services -- public switched telephone network (PSTN) -- radio channel -- radio common carrier (RCC) -- radiodetermination-satellite service -- radiolocation service -- radionavigation-satellite service -- resale carrier -- resale service -- reserved circuit service -- restricted access -- retrieval service -- rural radio service -- rural subscriber station -- safety service -- service access point (SAP) -- service bit -- seven-hundred service (700) -- space research service -- special grade of service -- standard frequency and time signal-satellite service -- teleaction service -- telecommunications service -- Telecommunications Service Priority service (TSP) -- teletex -- teletext -- Telex® -- unbundling -- Universal Personal Telecommunications service (UPT) -- universal service -- viewdata -- voice grade -- white pages -- Wide Area Telephone Service (WATS) -- World Wide Web (WWW)

--Service features--

abbreviated dialing -- access control -- add-on conference -- automatic answering -- automatic identified outward dialing (AIOD) -- automatic message accounting (AMA) -- automatic number identification (ANI) -- automatic redial -- automatic sequential connection -- busy verification -- call detail recording (CDR) -- called-line identification facility -- called-party camp-on -- caller ID -- call forwarding -- call hold -- calling-line identification facility -- calling-party camp-on -- call pickup -- call restriction -- calls-barred facility -- call splitting -- call transfer -- call waiting -- classmark -- conference call -- consultation hold -- dial service assistance (DSA) -- dial-up -- direct dialing service -- direct distance dialing (DDD) -- direct inward dialing (DID) -- direct outward dialing (DOD) -- essential service -- extended area service (EAS) -- fixed loop -- group alerting and dispatching system -- line load control -- multiaddress calling -- network inward dialing (NID) -- network outward dialing (NOD) -- remote access -- remote call forwarding -- service feature -- speed calling -- spill-forward feature -- three-way calling -- transit network identification -- verified off-hook -- virtual call -- virtual circuit capability

List of telephony terms:

--ISDN--

access contention -- B channel -- bearer service -- broadband ISDN (B-ISDN) -- circuit transfer mode -- contribution -- customer access -- D channel -- demand service -- digital subscriber line (DSL) -- distribution -- distribution service -- event -- frame -- functional signaling -- H-channel -- hybrid interface structure -- interactive service -- interface functionality -- interface payload -- ISDN -- labeled channel -- labeled interface structure -- labeled multiplexing -- labeled statistical channel -- LAP-D -- messaging service -- network element (NE) -- network termination -- network termination 1 (NT1) -- network termination 2 (NT2) -- positioned channel -- post-production processing -- primary rate interface (PRI) -- reference configuration -- reference point -- reserved circuit service -- retrieval service -- R interface -- Signaling System No. 7 (SS7) -- S interface -- synchronous transfer mode -- teleaction service -- terminal adapter -- T-interface -- transfer mode -- transit delay -- T reference point -- U interface -- V reference point -- wide area network (WAN)

--Switching--

analog switch -- broadband exchange (BEX) -- burst switching -- call progress signal -- circuit-switched data transmission service -- circuit switching -- class of office -- common control -- congestion -- crosspoint -- digital switching -- distributed switching -- electronic switching system (ESS) -- fast packet switching -- first-in last-out (FIFO) -- interrupted continuous wave (ICW) -- joint multichannel trunking and switching system -- message switching -- multiple access -- multiple homing -- nonblocking switch -- off-hook signal -- one-way trunk -- pilot-make-busy circuit (PMB) -- private exchange (PX) -- public switched network (PSN) -- public switched NS/EP telecommunications services -- public switched telephone network (PSTN) -- queuing delay -- rotary hunting -- seizing -- semiautomatic switching system -- signal transfer point (STP) -- space-division switching -- spill forward -- split homing -- step-by-step switching system (SXS) -- switch -- switchboard -- switch busy hour -- switching -- synchronous transfer mode -- Tactical Automatic Digital Switching System (TADSS) -- thin-film optical switch -- three-way calling -- time-division switching -- trunk -- wink pulsing

--Telephony hardware--

acoustic coupler -- aerial cable -- aerial insert -- applique -- central office (C.O.) -- combined distribution frame (CDF) -- common battery -- conditioned loop -- connecting arrangement -- cord circuit -- cord lamp -- cordless switchboard -- crossbar switch -- cross-connection -- cross-office trunk -- customer office terminal (COT) -- customer service unit (CSU) -- dial switching equipment -- digital access and cross-connect system (DACS) -- digital circuit patch bay -- digital loop carrier (DLC) -- digital primary patch bay -- digital switch -- distribution frame -- drop -- DSA board -- D-type patch bay -- electrically powered telephone -- embedded base equipment -- embedded customer-premises equipment -- end instrument -- end office -- entrance facility -- entrance point -- entrance room -- equal-level patch bay -- equipment room -- equipment side -- exchange -- exchange facilities -- extension bell -- four-wire repeater -- grandfathered systems -- grandfathered terminal equipment -- group distribution frame (GDF) -- high-frequency distribution frame (HFDF) -- individual line -- inside plant -- integrated station -- intercom -- intermediate distribution frame (IDF) -- interoffice trunk -- interposition trunk -- interswitch trunk -- intertoll trunk -- intraoffice trunk -- key set -- key telephone system (KTS) -- K-type patch bay -- limited-protection voice equipment -- line side -- local battery -- local exchange loop -- local side -- main distribution frame (MDF) -- main station -- master frequency generator -- MM patch bay -- new customer premises equipment -- office classification -- off-premises extension (OPX) -- on-premises extension -- orderwire multiplex -- outside plant -- patch and test facility (PTF) -- plant -- private exchange (PX) -- private line -- proration -- protected distribution system (PDS) -- public switched telephone network (PSTN) -- rack -- repertory dialer -- rotary dial -- SECORD -- semiautomatic switching system -- signal center -- sound-powered telephone -- special grade access line -- splice closure -- station battery -- STU -- supergroup distribution frame (SGDF) -- switchboard -- switched circuit -- switched loop -- tandem center -- tandem office -- technical control facility (TCF) -- Telecommunications Device for the Deaf (TDD) -- telecommunications facilities -- telephone -- terminal equipment -- through-group equipment -- through-supergroup equipment -- tie trunk -- translator -- tributary office -- videophone -- vodas -- vogad -- voice frequency primary patch bay (VF)

List of fax-related terms:

Glossary of antenna-related terms:

List of fiber optic terms:

See also list of optical topics.

acceptance angle -- acceptance cone -- aligned bundle -- all-silica fiber -- angle of incidence -- angle of refraction -- aramid yarn -- armor -- axial propagation constant -- bandwidth-distance product -- bound mode -- braid -- break out -- breakout cable -- buffer -- bundle -- cable -- cable cutoff wavelength (cc) -- cladding -- cladding diameter -- cladding mode -- cladding mode stripper -- cleave -- concentricity error -- core -- core area -- core diameter -- coupled modes -- coupling efficiency -- critical angle -- cutback technique -- cutoff mode -- cutoff wavelength -- deeply depressed cladding fiber -- dense wavelength division multiplexing (DWDM) -- dielectric waveguide -- differential quantum efficiency -- dispersion (optics) -- dispersion-shifted fiber -- dispersion-unshifted fiber -- dopant -- doubly clad fiber -- differential phase shift keying -- (DPSK) duplex cable -- effective mode volume -- electrical length -- end finish -- equilibrium length -- equilibrium mode distribution (EMD) -- equilibrium mode simulator -- evanescent field -- evanescent mode -- extrinsic joint loss -- fiber amplifier -- fiber optic cable -- fiber optic link -- fiber optics (FO) -- first window -- flooding compound -- fundamental mode -- fusion splice -- gap loss -- gap-loss attenuator -- gel -- glass -- graded-index fiber -- graded-index profile -- group delay -- group index -- group velocity -- guided ray -- homogeneous cladding -- hybrid cable -- hybrid mode -- hydroxyl ion absorption -- inclusion -- index dip -- index-matching material -- insertion loss -- intensity modulation (IM) -- intramodal distortion -- intrinsic joint loss -- joint -- lateral offset loss -- launch angle -- launching fiber -- launch numerical aperture (LNA) -- lay length -- leaky mode -- leaky ray -- long wavelength -- macrobend -- macrobend loss -- mandrel wrapping -- material dispersion coefficient [M()] -- material scattering -- mechanical splice -- meridional ray -- microbend -- minimum bend radius -- minimum-dispersion window -- minimum-loss window -- modal distribution -- modal loss -- modal noise -- mode -- mode coupling -- mode field diameter (MFD) -- mode partition noise -- mode scrambler -- mode volume -- multifiber cable -- multifiber joint -- multimode distortion -- multimode optical fiber -- near-field region -- near-field scanning -- nonlinear scattering -- numerical aperture loss -- numerical aperture (NA ) -- OFC -- OFN -- OFNP -- OFNR -- open waveguide -- optical connector -- optical damage threshold -- optical fiber -- optical isolator -- optical junction -- ovality -- overfill -- parabolic profile -- PCS fiber -- phase term -- pigtail -- plastic-clad silica fiber -- polarization-maintaining optical fiber (PM) -- power-law index profile -- precision-sleeve splicing -- primary coating -- profile parameter (g ) -- quadruply clad fiber -- radiation angle -- radiation-hardened fiber -- radiation mode -- radiation pattern -- reference surface -- reflection loss -- refracted ray -- refractive index contrast -- refractive index (n, ) -- refractive index profile -- ribbon cable -- rip cord -- scattering center -- second window -- short wavelength -- silica -- single-mode optical fiber -- skew ray -- slab-dielectric waveguide -- soliton -- SONET -- spectral loss curve -- splice loss -- splice organizer -- star coupler -- step-index fiber -- step-index profile -- strength member -- substitution method -- surface wave -- tap -- tapered fiber -- T-coupler -- terminus -- thin-film optical waveguide -- third window -- tolerance field -- transmitter central wavelength range (max- min) -- transverse electric and magnetic mode (TEM) -- transverse electric mode (TE) -- transverse magnetic mode (TM) -- traveling wave -- vertex angle -- waveguide -- weakly guiding fiber -- window -- zero-dispersion slope -- zero-dispersion wavelength -- zip-cord --

Above derived from the Glossary of Telecommunication Terms published as Federal Standard 1037C. Please see the Federal Standard article for copyright-related issues, as not all parts of the source document are in the public domain. Additional terms have been added from different sources.

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